1. The downy little bird nestled comfortably to its mother.
    这只长满绒毛的小鸟舒服地偎着妈妈。

2. As you enter a room, move your eyes comfortably; then look straight at those in the room and smile.
    当你走进房间时，目光从容地扫视；然后直视房间里的人，并对他们微笑。

3. If you are catching a train, it is always better to be comfortably early than even a fraction of a minute too late.
    如果赶火车，早到总比晚到好，哪怕早到一会儿也好。